Research of non-resin winding cylinder preforming retracing cosine curve

To satisfy the requirements of fast producing,low cost manufacture and large thickness preforming in the field of non-resin winding cylinder composite,the equation of retracing cosine curve was deduced based on the section principle.Combined with the traditional textile technique theory,characteristic parameters′ calculation formulae of end-section were deduced under the retracing cosine curve model.Finally,on the basis of analysis of the retracing cosine curve,in non-resin winding cylinder preforming technique,signification of high speed machining under the retracing cosine curve model was illuminated and testified by the way of numerical value simulation.As a conclusion,cosine curve should be used as retracing curve under the condition of high-speed winding and relatively common cylinder thickness.